@Scrabbleman Yeah this is why in any world people need to be taught to talk things through.
He was dense sure, but not pushing isn't a bad thing. Someone rejects you and its their business to correct that if they made a mistake.
This kind of stuff only happens when there is no follow up or proper conversation.
The only thing he needed to learn is how to reid people. That way he could have realized she was just embarrassed and not think she rejected him out of dislike.
TV/Manga etc conversations are always much too curt and never get resolved properly.